diff options
| author |   Lv Zheng <lv.zheng@intel.com> | 2015-07-23 12:52:53 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-07-23 23:09:07 +0200 |
| commit | a616dc2fe50270f1fa5050fb9cd88a08531a3f25 (patch) | |
| tree | 425ee0df81280c30f004497a10a103d2e857e061 /drivers/acpi/acpica/dsdebug.c | |
| parent | ACPICA: Dispatcher: Move stack traversal code to dispatcher (diff) | |
| download | linux-dev-a616dc2fe50270f1fa5050fb9cd88a08531a3f25.tar.xz linux-dev-a616dc2fe50270f1fa5050fb9cd88a08531a3f25.zip | |
ACPICA: Dispatcher: Add trace support for interpreter
ACPICA commit 71299ec8b49054daace0df50268e8e055654ca37
This patch adds trace point at the following point:
1. Begin/end of a control method execution;
2. Begin/end of an opcode execution.
The trace point feature can be enabled by defining ACPI_DEBUG_OUTPUT
and specifying a debug level that includes ACPI_LV_TRACDE_POINT and the
debug layers that include ACPI_PARSER and ACPI_DISPACTCHER.
In order to make aml_op_name of union acpi_parse_object usable for tracer, it is
enabled for ACPI_DEBUG_OUTPUT in this patch. Lv Zheng.
Link: https://github.com/acpica/acpica/commit/71299ec8
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/dsdebug.c')
| -rw-r--r-- | drivers/acpi/acpica/dsdebug.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dsdebug.c b/drivers/acpi/acpica/dsdebug.c index 21c6cefd267e..7df9b50e17a7 100644 --- a/drivers/acpi/acpica/dsdebug.c +++ b/drivers/acpi/acpica/dsdebug.c @@ -127,6 +127,8 @@ acpi_ds_dump_method_stack(acpi_status status, struct acpi_thread_state *thread; struct acpi_walk_state *next_walk_state; struct acpi_namespace_node *previous_method = NULL; + union acpi_operand_object *method_desc; + char *pathname = NULL; ACPI_FUNCTION_TRACE(ds_dump_method_stack); @@ -170,6 +172,28 @@ acpi_ds_dump_method_stack(acpi_status status, /* Walk list of linked walk states */ while (next_walk_state) { + method_desc = next_walk_state->method_desc; + if (method_desc && method_desc->method.node) { + pathname = acpi_ns_get_normalized_pathname((struct + acpi_namespace_node + *) + method_desc-> + method.node, + TRUE); + } + if (pathname) { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "End method [0x%p:%s] execution.\n", + method_desc->method.aml_start, + pathname)); + ACPI_FREE(pathname); + pathname = NULL; + } else { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "End method [0x%p] execution.\n", + method_desc->method.aml_start)); + } + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, " Method [%4.4s] executing: ", acpi_ut_get_node_name(next_walk_state-> |